28509404

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{613}}^1$

素因数の和:786

約数の個数: 48

約数和(自身を含む): 62716416

約数和(自身を除く): 34207012

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 151, 154, 302, 308, 604, 613, 1057, 1226, 1661, 2114, 2452, 3322, 4228, 4291, 6644, 6743, 8582, 11627, 13486, 17164, 23254, 26972, 46508, 47201, 92563, 94402, 185126, 188804, 370252, 647941, 1018193, 1295882, 2036386, 2591764, 4072772, 7127351, 14254702, 28509404]

約数ペア:

[(1, 28509404), (2, 14254702), (4, 7127351), (7, 4072772), (11, 2591764), (14, 2036386), (22, 1295882), (28, 1018193), (44, 647941), (77, 370252), (151, 188804), (154, 185126), (302, 94402), (308, 92563), (604, 47201), (613, 46508), (1057, 26972), (1226, 23254), (1661, 17164), (2114, 13486), (2452, 11627), (3322, 8582), (4228, 6743), (4291, 6644)]